redpanda-data/redpanda v26.1.9 on GitHub

Bug Fixes

Allow combining aws_sigv4 Iceberg REST catalog authentication with the sts cloud credentials source. by @nvartolomei in #30553
Correctly decode variable-length Avro decimal payloads on the ingest path. by @nvartolomei in #30517
Fix corruption of negative decimal partition values in Iceberg manifests for decimal columns whose precision does not require 16
bytes (e.g. decimal(10,2)). by @nvartolomei in #30517
Fix parsing of Iceberg table metadata whose sort orders use the spec-canonical singular source-id field (e.g. metadata produced by Unity Catalog). by @mmaslankaprv in #30477
Fix tiered storage I/O remaining throttled at the previously-configured rate after cloud_storage_max_throughput_per_shard was unset. by @nvartolomei in #30473
Fixes an issue that prevented raft followers across high-RTT links from establishing connections long enough to receive heartbeat request replies. by @ballard26 in #30549
#30502 Fixes a bug in which a double metric registration could occur when sts credentials were used for both iceberg and tiered_storage systems. by @WillemKauf in #30503

Backport features_auto_finalization cluster configuration option to allow opting out of automatic upgrade finalization before upgrading to v26.2. by @dotnwat in #30460
PR #30507 cloud_topics/l1: fix UB in db_domain_manager error-logging paths by @Lazin
PR #30509 storage: don't override with shard_local_cfg() in ntp_config helpers by @WillemKauf
PR #30527 cluster: fix enterprise validation for iceberg enablement by @WillemKauf
PR #30540 ct/l1: guard stop_collecting_logs() on local_is_initialized() by @WillemKauf
PR #30542 rpk: bump Go to 1.26.3, x/net to v0.54.0 (Snyk findings) by @twmb

Full Changelog: v26.1.8...v26.1.9